불안과 우울은 다른가? : Zung 자기보고식 불안 및 우울 척도의 탐색적 요인분석

Title
불안과 우울은 다른가? : Zung 자기보고식 불안 및 우울 척도의 탐색적 요인분석
Author
김대호
Keywords
불안; 우울; 요인 분석; Zung의 자기 보고식 불안 척도; 자기 보고식 우울 척도; Anxiety; Depression; Factor analysis; Zung's Self-Rating Depression Scale; Zung's Self-Rating Anxiety Scale
Issue Date
2013-02
Publisher
대한생물정신의학회 Korean Biological Psychiatry
Citation
대한생물정신의학회지 / Korean journal of biological psychiatry, Feb 2013, 20(1), P.21-27, 7P.
Abstract
Objectives There is a controversy regarding the construct validity of anxiety and depression. Some believe that these two symptoms are basically the same construct, that is, both measure what is called 'general distress' or two phenomena are distinct experiences which often coexist. To further understand relationship between anxiety and depressive symptoms, we investigated the factor structure of a combined anxiety and depression scale among psychiatric outpatients. Methods Data of Zung's Self-Rating Depression and Anxiety Scales were gathered from 401 newly visiting psychiatric outpatients at a university-affiliated hospital. We performed a component analysis on the 40 items from two scales. Results Exploratory factor analysis revealed a seven factor structure explaining 56% of total variance. Overall finding indicated that depression and anxiety scales consisted of four symptom domains : mainly depressive symptoms, mainly anxiety symptoms, common somatic symptoms, and others. Conclusions Our results suggest that the construct of self-reported depressive and anxiety symptoms are more complex than previously thought, i.e., either one or two factor theories. These findings also support that anxiety and depression can be better modeled by dimensional approach. Clinicians may be alert for the fact that both depression and anxiety scales measure distinct and also common aspects. Further researches on other scales especially, interview based instruments are needed.
URI
http://www.ndsl.kr/ndsl/search/detail/article/articleSearchResultDetail.do?cn=JAKO201325360833556http://hdl.handle.net/20.500.11754/51755
ISSN
1225-8709; 2005-7571
Appears in Collections:
COLLEGE OF MEDICINE[S](의과대학) > ETC
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